一

yī one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit

键

jiàn key (on a piano or computer keyboard); button (on a mouse or other device); chemical bond; linchpin

查询

chá xún to check; to inquire; to consult (a document etc); inquiry; query

车辆

chē liàng vehicle

行驶

xíng shǐ to travel along a route (of vehicles etc)

轨迹

guǐ jì locus; orbit; trajectory; track

定位

dìng wèi to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche

, 最先

zuì xiān (the) very first

想到

xiǎng dào to think of; to call to mind; to anticipate

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

私家

sī jiā private; privately owned or managed

侦探

zhēn tàn detective; to do detective work

付费

fù fèi to pay; to cover the costs

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

chalalalacom